Frey works for the Annapolis, Md., illustration studio Wood Ronsaville Harlin Inc. His work has appeared in National Geographic and Smithsonian magazines, in the National Museum of Natural History, and the National Air and Space Museum.

The bank swallow, about five inches long, is the smallest swallow in North America, and can be found in every continent except Antarctica. The slender bird digs nesting burrows in riverbanks, gravel pit walls and highway cuts, and live in colonies ranging from 10 to 2,000 nests.

Frey's illustrations of the bank swallow were based on photographs.

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In addition to being an illustrator and graphic designer, Frey is a licensed master falconer and is a founding officer of the West Virginia Falconry Club and an officer in the Potomac Falconers Association, the nation's oldest falconry organization.